diff --git a/sohstationviewer/model/reftek/reftek.py b/sohstationviewer/model/reftek/reftek.py
index fbe084dae2fe8317453a88a53b95b6b0445d3c7c..48913bca00f501f345dee4d60ba9db9581f8741a 100755
--- a/sohstationviewer/model/reftek/reftek.py
+++ b/sohstationviewer/model/reftek/reftek.py
@@ -7,8 +7,7 @@ from typing import Tuple, List, Union
 import traceback
 import numpy as np
 
-from sohstationviewer.model.reftek.from_rt2ms import (
-    core, soh_packet)
+from sohstationviewer.model.reftek.from_rt2ms import core, soh_packet
 from sohstationviewer.model.reftek.log_info import LogInfo
 from sohstationviewer.model.data_type_model import (
     DataTypeModel, ThreadStopped, ProcessingDataError)